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Finding the Third Proportional to 12,520,514 and 19,901,379

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Solution

The third proportional to 12,520,514 and 19,901,379 is: 31,633,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520,514 : 19,901,379 = 19,901,379 : x
  2. Step 2: Convert to fraction form
    12,520,514/19,901,379 = 19,901,379/x
  3. Step 3: Cross multiply
    12,520,514x = 19,901,379 × 19,901,379
  4. Step 4: Simplify right side
    12,520,514x = 396,064,886,101,641
  5. Step 5: Solve for x
    x = 396,064,886,101,641/12,520,514
  6. Step 6: Final answer
    x = 31,633,276.88

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.